id author title date pages extension mime words sentences flesch summary cache txt 41472 Various Encyclopaedia Britannica, 11th Edition, "Lightfoot, Joseph" to "Liquidation" Volume 16, Slice 6 .txt text/plain 175193 9193 68 LIGHTHOUSE, a form of building erected to carry a light for the purpose throwing a fixed light of 8000 candle-power over a danger known as the to be obtained by the use of flashing lights than with fixed apparatus. to a much larger extent than either oil or gas light per unit of power type of English light-vessel, with power-driven compressed air siren, flashing light with incandescent oil-gas burner. illuminated by 100 candle-power Swan lamps with continuous current The other method of obtaining high light-power from incandescent gas In the case of direct-current arcs formed with solid carbons, Edlund In the use of arc lamps for street and public lighting, the question of carbons, whereas open-arc lamps are usually only able to work, 8, 16 A large number of towns have adopted electricity for street lighting. Among the Romans lighted candles and lamps formed part of electric-lighting plant and water-works. ./cache/41472.txt ./txt/41472.txt